1  /* Internal header for proving correct grouping in strings of numbers.
       2     Copyright (C) 1995-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* Find the maximum prefix of the string between BEGIN and END which
      20     satisfies the grouping rules.  It is assumed that at least one digit
      21     follows BEGIN directly.  */
      22  extern const wchar_t *__correctly_grouped_prefixwc (const wchar_t *begin,
      23  						    const wchar_t *end,
      24  						    wchar_t thousands,
      25  						    const char *grouping)
      26       attribute_hidden;
      27  
      28  extern const char *__correctly_grouped_prefixmb (const char *begin,
      29  						 const char *end,
      30  						 const char *thousands,
      31  						 const char *grouping)
      32       attribute_hidden;